Nonleptonic weak decays of B to Ds and D mesons -: art. no. 054016

被引：21

作者：

Thomas, CE ^{[1
]}

机构：

[1] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, Oxford OX1 3NP, England

来源：

PHYSICAL REVIEW D | 2006年 / 73卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.73.054016

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Branching ratios and polarization amplitudes for B decaying to all allowed pseudoscalar, vector, axial-vector, scalar and tensor combinations of D-s and D mesons are calculated in the Isgur Scora Grinstein Wise (ISGW) quark model after assuming factorization. We find good agreement with other models in the literature and the limited experimental data and make predictions for as yet unseen decay modes. Lattice QCD results in this area are very limited. We make phenomenological observations on decays in to D-s(2317) and D-s(2460) and propose tests for determining the status and mixings of the axial mesons. We use the same approach to calculate branching ratios and polarization fraction for decays in to two D type mesons.

引用

页数：16

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